Rainfall is the major source of recharge to groundwater aquifers in Kerala. Most of the rainfall is received during a six months period, leaving the remaining six months between December and January to May as almost dry months. The rainfall amount and distribution pattern in any given year determines the level of groundwater scarcity during summer months.
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Links:
[1] http://admin.indiaenvironmentportal.org.in/feature-article/groundwater-save-safely
[2] http://admin.indiaenvironmentportal.org.in/category/author/n-b-narasimha-prasad-0
[3] http://admin.indiaenvironmentportal.org.in/category/journal/kerala-calling
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/water-conservation
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/rainfall
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-recharge
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/kerala
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/groundwater-quality
